The SLO target calculator is a useful Google spreadsheet that calculates all your student-growth targets automatically (Excel version available). Using a “close the gap by half” model, this spreadsheet takes the guessing game out of setting growth targets for students. It assigns an aggressive, yet attainable goal. Example: If a student scores 50% on their SLO pre-test, they should score 75% by the end of the year. Example: If a student scores 30% on their SLO pre-test, they should score 60%